Two-Factor Authentication: Still Better With Than Without It

Google has published the results of a study of the efficacy of standard anti-account-hijacking techniques like two-factor authentication (2FA), secret questions, and passwords: the good news is that when these are used, they are incredibly effective at stopping both automated and targeted attacks, including “advanced” attacks of the sort that are often characterized as unstoppable.

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Bottom Line: 2FA is not perfect, but it is still far and away one of the best defenses you can implement (often at no cost).

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